The Edward J. Berwind House is a mansion located on 2 East 64th Street and Fifth Avenue in the Upper East Side in New York City. It was constructed in 1886 for the coal baron Edward J. Berwind. It served as headquarters for the American Heart Association until 1978 when it was reconverted to residential use with a new penthouse. See also The Elms (Newport, Rhode Island), Berwind's summer mansion References Further reading Fifth Avenue Upper East Side Houses in Manhattan Houses completed in 1886 1886 establishments in New York (state)